Key to the species of the genus Eluma
The genus Eluma currently includes four species that can be distinguished with the help of the following dichotomic key:
1. Integuments without hair like structures and with granulations ............... E. tuberculata Cruz, 1991
– Integuments with hair like structures and without granulations …................................................... 2
2. Male pereopod 7 with protrusions on ischium and merus ........................... E. caelata (Miers, 1877)
– Male pereopod 7 with protrusions only on ischium ......................................................................... 3
3. Integuments with scale-setae long and triangular, male exopod I with short and rounded inner tip. ..................................................................................................... E. praticola Taiti & Rossano, 2015
– Integuments with scale-setae long triangular, rectangular and mace shaped, male exopod I with long and sickle shaped inner tip ...................................................................................... E. matae sp. nov.